<template>
	<div>
		<div id="slider" class="mui-slider">
			<div id="sliderSegmentedControl" class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted">
				<div class="mui-scroll">
					<a :class="['mui-control-item',item.id == 0 ? 'mui-active' : '']" mui-control-item mui-active v-for="item in categoryList" :key="item.id" @tap="getCategoryPhoto(item.id)">
						{{item.title}}
					</a>

				</div>
			</div>
		</div>
		
		
		<!-- 图片区域 -->
		<ul class="photo">
		  <router-link :to="'/home/photoInfo/'+item.id" v-for="item in list" :key="item.id" tag="li">
		    <img v-lazy="item.img_url">
			<div class="info">
				<h1 class="title">{{ item.title }}</h1>
				<div class="body">{{ item.zhaiyao }}</div>
			</div>
		  </router-link>
		</ul>
	</div>
</template>

<script>
	import mui from '../../lib/mui/js/mui.min.js'

	export default {
		data(){
			return{
				categoryList:[],
				list:[]
			}
		},
		created(){
			this.getCategory()
			this.getCategoryPhoto(0)
		},
		mounted(){
			mui('.mui-scroll-wrapper').scroll({
				deceleration: 0.0005 //flick 减速系数，系数越大，滚动速度越慢，滚动距离越小，默认值0.0006
			});
		},
		methods:{
			getCategory(){
				this.$http.get("api/getimgcategory").then(result =>{
					if(result.body.status === 0){
						result.body.message.unshift({title:'全部',id:0})
						this.categoryList = result.body.message
					}
				})
			},
			
			getCategoryPhoto(catId){
				this.$http.get("api/getimages/"+ catId).then(result =>{
					if(result.body.status === 0){
						this.list = result.body.message
					}
				})
				
			
			
		}
		
	},
	}
</script>

<style lang="scss" scoped>
	*{
		touch-action: pan-y;
	}

	.photo{
		margin: 0;
		padding: 10px;
		list-style: none;
		padding-bottom: 0;
		
		li{
			margin-bottom: 5px;
			text-align: center;
			background-color: #ccc;
			position: relative;
			img[lazy=loading] {
			  width: 40px;
			  height: 300px;
			  margin: auto;
			}
			img{
				width: 100%;
				height: 100%;
				vertical-align: middle;
				box-shadow: 0 0 6px #999;
			}
		}

	}
	.info{
		color: white;
		text-align: left;
		position: absolute;
		bottom: 0;
		background-color: rgba(0,0,0,0.4);
		max-height: 84px;
		.title{
			font-size: 14px;
			color: hotpink;
		}
		.body{
			font-size: 13px;
		}
	}
</style>
